flexion

n.

（关节、肢的）弯曲，弯曲状态；臂前举；拐度；

plantar flexion跖屈

Flexion-reflex of the limb, crossed extension-reflex, and reflex stepping and standing.
Clinical validation of functional flexion-extension roentgenograms of the lumbar spine
The forty-five-degree posteroanterior flexion weight-bearing radiograph of the knee.
The biomechanics of the human patella during passive knee flexion.
Flexion and rotation of the trunk and lifting at work are risk factors for low back pain: results of a prospective cohort study
Functional radiographic diagnosis of the cervical spine: flexion/extension.
Functional radiographic diagnosis of the lumbar spine. Flexion-extension and lateral bending.
Rudimentary determinants of attitudes: II. Arm flexion and extension have differential effects on attitudes.
Comparison of fixed-flexion positioning with fluoroscopic semi-flexed positioning for quantifying radiographic joint-space width in ...
Muscle but not cutaneous C-afferent input produces prolonged increase in excitability of the flexion reflex in the rat